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feat(core): compact v2 session context (#30986)

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Kit Langton 2026-06-05 13:17:23 -04:00 • committed by GitHub
commit beae7290f3
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26 changed files with 569 additions and 296 deletions
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21
packages/opencode/test/v2/session-message-updater.test.ts
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@ -34,6 +34,8 @@ test.skip("step snapshots carry over to assistant messages", () => {
} satisfies SessionEvent.Event),
)
expect(state.messages).toEqual([])
Effect.runSync(
SessionMessageUpdater.update(SessionMessageUpdater.memory(state), {
id: EventV2.ID.create(),
@ -194,10 +196,11 @@ test.skip("tool completion stores completed timestamp", () => {
expect(state.messages[0].content[0].provider).toEqual({ executed: true, metadata: { fake: { status: "done" } } })
})
test.skip("compaction events reduce to compaction message", () => {
test("compaction events reduce to compaction message only when completed", () => {
const state: SessionMessageUpdater.MemoryState = { messages: [] }
const sessionID = SessionID.make("session")
const id = EventV2.ID.create()
const compactionID = SessionMessage.ID.create()
Effect.runSync(
SessionMessageUpdater.update(SessionMessageUpdater.memory(state), {
@ -205,19 +208,22 @@ test.skip("compaction events reduce to compaction message", () => {
type: "session.next.compaction.started",
data: {
sessionID,
messageID: SessionMessage.ID.create(),
messageID: compactionID,
timestamp: DateTime.makeUnsafe(1),
reason: "auto",
},
} satisfies SessionEvent.Event),
)
expect(state.messages).toEqual([])
Effect.runSync(
SessionMessageUpdater.update(SessionMessageUpdater.memory(state), {
id: EventV2.ID.create(),
type: "session.next.compaction.delta",
data: {
sessionID,
messageID: compactionID,
timestamp: DateTime.makeUnsafe(2),
text: "hello ",
},
@ -230,6 +236,7 @@ test.skip("compaction events reduce to compaction message", () => {
type: "session.next.compaction.delta",
data: {
sessionID,
messageID: compactionID,
timestamp: DateTime.makeUnsafe(3),
text: "summary",
},
@ -242,20 +249,22 @@ test.skip("compaction events reduce to compaction message", () => {
type: "session.next.compaction.ended",
data: {
sessionID,
messageID: compactionID,
timestamp: DateTime.makeUnsafe(4),
reason: "auto",
text: "final summary",
include: "recent context",
recent: "recent context",
},
} satisfies SessionEvent.Event),
)
expect(state.messages).toHaveLength(1)
expect(state.messages[0]).toMatchObject({
id,
id: compactionID,
type: "compaction",
reason: "auto",
summary: "final summary",
include: "recent context",
time: { created: DateTime.makeUnsafe(1) },
recent: "recent context",
time: { created: DateTime.makeUnsafe(4) },
})
})